From patchwork Wed May 29 13:34:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 800809 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 245B314AA9; Wed, 29 May 2024 13:35:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716989752; cv=none; b=M10cogF8GotkkCXM0PIRKBxV7LpTyaWXoJKjXr/t+wfK6jDh9fOrSpRZg76qR3PDSFLTfyqsIWc+VYCUl9OdrmPwwI3XasmrH2FYLTQKuGYoO1kDKTarSPZIbZ9sywZIoghxK9l4Lklkgqq2RptVfquVUpYS707Pc1iG31IKFZM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716989752; c=relaxed/simple; bh=J60KwpuaE/khC1IIV26+2bLnKJbTlc4Q169mvlU65XQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=es0+LojXJrEXYWVLHWc/VY4lY/KSGlQy5huzqu5zrqLuudTqTAcZPY3abawn4sAOuAi6M1RAixBKedOY+bp4rkElz+nRkvq5FD4NhmDjjrUC4ybanYvh8JMYgfK8ViKs24JSefFFH2lidpqmKPMdfd0r+pMXqQBvTbbesW783y8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Vq9K16F63z6JBDd; Wed, 29 May 2024 21:31:49 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id EF125140B33; Wed, 29 May 2024 21:35:48 +0800 (CST) Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Wed, 29 May 2024 14:35:48 +0100 From: Jonathan Cameron To: Marc Zyngier , Will Deacon , Catalin Marinas , , , , , CC: Mark Rutland , Thomas Gleixner , Peter Zijlstra , , , Russell King , "Rafael J . Wysocki" , Miguel Luis , James Morse , Salil Mehta , Jean-Philippe Brucker , Hanjun Guo , Gavin Shan , Ingo Molnar , Borislav Petkov , Dave Hansen , , , Subject: [PATCH v10 02/19] cpu: Do not warn on arch_register_cpu() returning -EPROBE_DEFER Date: Wed, 29 May 2024 14:34:29 +0100 Message-ID: <20240529133446.28446-3-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240529133446.28446-1-Jonathan.Cameron@huawei.com> References: <20240529133446.28446-1-Jonathan.Cameron@huawei.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: lhrpeml100001.china.huawei.com (7.191.160.183) To lhrpeml500005.china.huawei.com (7.191.163.240) For arm64 the CPU registration cannot complete until the ACPI interpreter us up and running so in those cases the arch specific arch_register_cpu() will return -EPROBE_DEFER at this stage and the registration will be attempted later. Suggested-by: Rafael J. Wysocki Acked-by: Rafael J. Wysocki Reviewed-by: Hanjun Guo Reviewed-by: Gavin Shan Tested-by: Miguel Luis Signed-off-by: Jonathan Cameron --- drivers/base/cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index c61ecb0c2ae2..1487cd9761a4 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -558,7 +558,7 @@ static void __init cpu_dev_register_generic(void) for_each_present_cpu(i) { ret = arch_register_cpu(i); - if (ret) + if (ret && ret != -EPROBE_DEFER) pr_warn("register_cpu %d failed (%d)\n", i, ret); } }